Mask retainer plate



FIG. 1 is a front elevational view of a face mask retainer plate showing my new design, the rear elevational view being flat and unornamented;

FIG. 2 is side elevational view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 2;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view of a second embodiment of a face mask retainer plate showing my new design, the rear elevational view being flat and unornamented;

FIG. 8 is a side elevational view thereof;

FIG. 9 is a top perspective view thereof;

FIG. 10 is a side elevational view thereof, opposite that shown in FIG. 2;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof. 

The ornamental design of the mask retainer plate, as shown and described. 